GATE EE 2006 Digital Electronics Q 2 - Grad Plus
GATE EE 2006 Digital Electronics Q 2

GATE EE 2006 Digital Electronics Q 2

A TTL NOT gate circuit is shown in figure. Assuming VBE = 0.7 V of both the transistors, if Vi = 3.0 V, then the states of the two transistors will be

(a) Q1 ON and Q2 OFF

(b) Q1 reverse ON and Q2 OFF

(c) Q1 reverse ON and Q2 ON

(d) Q1 OFF and Q2 reverse ON

Ans: (c)

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